E-cigarettes: Not a healthy alternative to smoking; Allergists warn e-smokers of unknown risks

A new study examines the risks of e-cigarettes, and concludes that they are not a healthy alternative to smoking. A new article examines the idea that one of the initial "health benefits" proposed by e-cigarettes makers was that it would help those who smoke cigarettes cut back. The authors say that theory hasn't been proven, and there's no evidence to support the claims.View full story